Evidence of Evolution

Front

What is it called when all of the organisms of a species have died?

Back

Extinction

Front

What is the study of embryos of various organisms to show a common ancestor because of similarities in development?

Back

Embryology

Front

What are the slight differences within members of the same species called?

Back

Variations

Front

What are similar structures with different purposes found in different species known as?

Back

Homologous structures

Front

What do closely related organisms have in common regarding their DNA sequences?

Back

Very similar DNA sequence

Front

What is the term for the preserved remains or traces of organisms from the past?

Back

Fossils

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural selection

Front

What are structures that have lost their original function through evolution called?

Back

Vestigial structures

Front

What is the term for the change in the heritable characteristics of biological populations over successive generations?

Back

Evolution

Front

What is the term for the formation of new and distinct species in the course of evolution?

Back

Speciation